Meet the World’s Largest Freshwater Crayfish

National Geographic Society & TNC extern Zoe Starke shares her experience studying the 13-pound Tasmanian giant crayfish.

Zoe Starke

What Does Urbanization Mean for Melbourne’s Platypus?

National Geographic Society & TNC extern Brendan Cohen recounts his kayak journey along the Yarra River, where platypus are under threat from urbanization.

Brendan Cohen

A Future with Sturgeon: A Personal Journey with Dinosaur Fish

National Geographic Society & TNC extern Joseph Hill recounts his experiences helping to protect Atlantic sturgeon.

Joseph Hill

From Moose to Marmots, Microclimates Could Provide Climate Buffer

Microclimates — variation in everything from rock formations to vegetation — will help species survive the current and future climate crisis.

Christine Peterson

Connect to Nature Near You: 4 Fun + Informative (+Free) Apps

Looking for free and informative mobile apps to help you connect with nature near you wherever you are? We've got you covered. Pristine natural areas not required.

Cara Cannon Byington

Notes from Eclipses Past: Nervous Hippos, Sad Ducks & Bewildered Ground Squirrels

How do animals react to solar eclipses? Scientists don't know much, but what they do know is, well, sometimes a little weird.

Cara Cannon Byington

50 Fish, 50 States: Bass of the Waterfalls

The shoal bass faces some serious threats. But a new legion of fans bring hope for this species.

Matthew L. Miller

Did You Know Sandhill Cranes Dye Their Feathers?

Sandhill cranes add a rusty-brown color to their gray feathers each spring.

Matthew L. Miller and Chris Helzer

Meet the Amazing Giant Rats of Oceania

Rats that climb trees, swim in rivers, grow to epic sizes, and evade detection by scientists for decades. Meet seven spectacular rat species from Oceania.

Justine E. Hausheer

Scientists Re-Discover Giant Rat Not Seen in 30+ Years

A TNC-funded expedition in the Solomon Islands has re-discovered a giant rat species.

Justine E. Hausheer

How An Invasive Ant Affects East Africa’s Iconic Wildlife

Invasive ants are having an outsized effect on savanna ecology, impacting even the largest mammals.

Matthew L. Miller

Want Resilient Coral Reefs? Bring Back Seabirds

Eradicating rats and restoring seabird populations could increase coral reef resilience to climate disturbances.

Justine E. Hausheer

Story type: TNC Science Brief